{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb0c6b2d768ef309a7a10e2b0408244dd80964726686214cc3488639c40f25840",
    "signature": "0xdc7ff2a2a2265c6f8f2cea8636eb0a5ba2d5e6112b750936d04a921b0790b26e1a380b001e3cf2ef077414925e124fbd13b8da4665f10c7c317daa3bfe93d7081b",
    "signer": "0xF266A0128D402f3084C1CbDE99a46172AB58EBe7",
    "userId": "838833981"
  }
}